--- /dev/null
+<!-- (C) International Organization for Standardization 1986
+ Permission to copy in any form is granted for use with
+ conforming SGML systems and applications as defined in
+ ISO 8879, provided this notice is included in all copies.
+-->
+<!-- Character entity set. Typical invocation:
+ <!ENTITY % ISOdia PUBLIC
+ "ISO 8879:1986//ENTITIES Diacritical Marks//EN//XML">
+ %ISOdia;
+-->
+<!-- This version of the entity set can be used with any SGML document
+ which uses ISO 10646 as its document character set.
+ This includes XML documents and ISO HTML documents.
+ This entity set uses hexadecimal numeric character references.
+
+ Creator: Rick Jelliffe, Allette Systems
+
+ Version: 1997-07-07
+-->
+
+<!ENTITY acute "´" ><!--=acute accent-->
+<!ENTITY breve "˘" ><!--=breve-->
+<!ENTITY caron "ˇ" ><!--=caron-->
+<!ENTITY cedil "¸" ><!--=cedilla-->
+<!ENTITY circ "^" ><!--=circumflex accent-->
+<!ENTITY dblac "˝" ><!--=double acute accent-->
+<!ENTITY die "¨" ><!--=dieresis-->
+<!ENTITY dot "˙" ><!--=dot above-->
+<!ENTITY grave "`" ><!--=grave accent-->
+<!ENTITY macr "¯" ><!--=macron-->
+<!ENTITY ogon "˛" ><!--=ogonek-->
+<!ENTITY ring "˚" ><!--=ring-->
+<!ENTITY tilde "˜" ><!--=tilde-->
+<!ENTITY uml "¨" ><!--=umlaut mark-->
--- /dev/null
+<!-- (C) International Organization for Standardization 1986
+ Permission to copy in any form is granted for use with
+ conforming SGML systems and applications as defined in
+ ISO 8879, provided this notice is included in all copies.
+-->
+<!-- Character entity set. Typical invocation:
+ <!ENTITY % ISOlat1 PUBLIC
+ "ISO 8879:1986//ENTITIES Added Latin 1//EN//XML">
+ %ISOlat1;
+-->
+<!-- This version of the entity set can be used with any SGML document
+ which uses ISO 8859-1 or ISO 10646 as its document character
+ set. This includes XML documents and ISO HTML documents.
+-->
+
+ <!ENTITY Agrave "À" ><!-- capital A, grave accent -->
+ <!ENTITY Aacute "Á" ><!-- capital A, acute accent -->
+ <!ENTITY Acirc "Â" ><!-- capital A, circumflex accent -->
+ <!ENTITY Atilde "Ã" ><!-- capital A, tilde -->
+ <!ENTITY Auml "Ä" ><!-- capital A, dieresis or umlaut mark -->
+ <!ENTITY Aring "Å" ><!-- capital A, ring -->
+ <!ENTITY AElig "Æ" ><!-- capital AE diphthong (ligature) -->
+ <!ENTITY Ccedil "Ç" ><!-- capital C, cedilla -->
+ <!ENTITY Egrave "È" ><!-- capital E, grave accent -->
+ <!ENTITY Eacute "É" ><!-- capital E, acute accent -->
+ <!ENTITY Ecirc "Ê" ><!-- capital E, circumflex accent -->
+ <!ENTITY Euml "Ë" ><!-- capital E, dieresis or umlaut mark -->
+ <!ENTITY Igrave "Ì" ><!-- capital I, grave accent -->
+ <!ENTITY Iacute "Í" ><!-- capital I, acute accent -->
+ <!ENTITY Icirc "Î" ><!-- capital I, circumflex accent -->
+ <!ENTITY Iuml "Ï" ><!-- capital I, dieresis or umlaut mark -->
+ <!ENTITY ETH "Ð" ><!-- capital Eth, Icelandic -->
+ <!ENTITY Ntilde "Ñ" ><!-- capital N, tilde -->
+ <!ENTITY Ograve "Ò" ><!-- capital O, grave accent -->
+ <!ENTITY Oacute "Ó" ><!-- capital O, acute accent -->
+ <!ENTITY Ocirc "Ô" ><!-- capital O, circumflex accent -->
+ <!ENTITY Otilde "Õ" ><!-- capital O, tilde -->
+ <!ENTITY Ouml "Ö" ><!-- capital O, dieresis or umlaut mark -->
+ <!ENTITY Oslash "Ø" ><!-- capital O, slash -->
+ <!ENTITY Ugrave "Ù" ><!-- capital U, grave accent -->
+ <!ENTITY Uacute "Ú" ><!-- capital U, acute accent -->
+ <!ENTITY Ucirc "Û" ><!-- capital U, circumflex accent -->
+ <!ENTITY Uuml "Ü" ><!-- capital U, dieresis or umlaut mark -->
+ <!ENTITY Yacute "Ý" ><!-- capital Y, acute accent -->
+ <!ENTITY THORN "Þ" ><!-- capital THORN, Icelandic -->
+ <!ENTITY szlig "ß" ><!-- small sharp s, German (sz ligature) -->
+ <!ENTITY agrave "à" ><!-- small a, grave accent -->
+ <!ENTITY aacute "á" ><!-- small a, acute accent -->
+ <!ENTITY acirc "â" ><!-- small a, circumflex accent -->
+ <!ENTITY atilde "ã" ><!-- small a, tilde -->
+ <!ENTITY auml "ä" ><!-- small a, dieresis or umlaut mark -->
+ <!ENTITY aring "å" ><!-- small a, ring -->
+ <!ENTITY aelig "æ" ><!-- small ae diphthong (ligature) -->
+ <!ENTITY ccedil "ç" ><!-- small c, cedilla -->
+ <!ENTITY egrave "è" ><!-- small e, grave accent -->
+ <!ENTITY eacute "é" ><!-- small e, acute accent -->
+ <!ENTITY ecirc "ê" ><!-- small e, circumflex accent -->
+ <!ENTITY euml "ë" ><!-- small e, dieresis or umlaut mark -->
+ <!ENTITY igrave "ì" ><!-- small i, grave accent -->
+ <!ENTITY iacute "í" ><!-- small i, acute accent -->
+ <!ENTITY icirc "î" ><!-- small i, circumflex accent -->
+ <!ENTITY iuml "ï" ><!-- small i, dieresis or umlaut mark -->
+ <!ENTITY eth "ð" ><!-- small eth, Icelandic -->
+ <!ENTITY ntilde "ñ" ><!-- small n, tilde -->
+ <!ENTITY ograve "ò" ><!-- small o, grave accent -->
+ <!ENTITY oacute "ó" ><!-- small o, acute accent -->
+ <!ENTITY ocirc "ô" ><!-- small o, circumflex accent -->
+ <!ENTITY otilde "õ" ><!-- small o, tilde -->
+ <!ENTITY ouml "ö" ><!-- small o, dieresis or umlaut mark -->
+
+ <!ENTITY oslash "ø" ><!-- small o, slash -->
+ <!ENTITY ugrave "ù" ><!-- small u, grave accent -->
+ <!ENTITY uacute "ú" ><!-- small u, acute accent -->
+ <!ENTITY ucirc "û" ><!-- small u, circumflex accent -->
+ <!ENTITY uuml "ü" ><!-- small u, dieresis or umlaut mark -->
+ <!ENTITY yacute "ý" ><!-- small y, acute accent -->
+ <!ENTITY thorn "þ" ><!-- small thorn, Icelandic -->
+ <!ENTITY yuml "ÿ" ><!-- small y, dieresis or umlaut mark -->
+
--- /dev/null
+<!-- (C) International Organization for Standardization 1986
+ Permission to copy in any form is granted for use with
+ conforming SGML systems and applications as defined in
+ ISO 8879, provided this notice is included in all copies.
+-->
+<!-- Character entity set. Typical invocation:
+ <!ENTITY % ISOnum PUBLIC
+ "ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN//XML">
+ %ISOnum;
+-->
+<!-- This version of the entity set can be used with any SGML document
+ which uses ISO 10646 as its document character set.
+ This includes XML documents and ISO HTML documents.
+ This entity set uses hexadecimal numeric character references.
+
+ Creator: Rick Jelliffe, Allette Systems
+
+ Version: 1997-07-07
+-->
+
+<!ENTITY half "½" ><!--=fraction one-half-->
+<!ENTITY frac12 "½" ><!--=fraction one-half-->
+<!ENTITY frac14 "¼" ><!--=fraction one-quarter-->
+<!ENTITY frac34 "¾" ><!--=fraction three-quarters-->
+<!ENTITY frac18 "⅛" >
+ <!-- or "±Ȃ⁄₈" --><!--=fraction one-eighth-->
+<!ENTITY frac38 "⅜" >
+ <!-- or "³⁄₈" --><!--=fraction three-eighths-->
+<!ENTITY frac58 "⅝" >
+ <!-- or "⁵⁄₈" --><!--=fraction five-eighths-->
+<!ENTITY frac78 "⅞" >
+ <!-- or "⁷⁄₈" --><!--=fraction seven-eighths-->
+
+<!ENTITY sup1 "¹" ><!--=superscript one-->
+<!ENTITY sup2 "²" ><!--=superscript two-->
+<!ENTITY sup3 "³" ><!--=superscript three-->
+
+<!ENTITY plus "+" ><!--=plus sign B:-->
+<!ENTITY plusmn "±" ><!--/pm B: =plus-or-minus sign-->
+<!ENTITY lt "&#60;" ><!--=less-than sign R:-->
+<!ENTITY equals "=" ><!--=equals sign R:-->
+<!ENTITY gt ">" ><!--=greater-than sign R:-->
+<!ENTITY divide "÷" ><!--/div B: =divide sign-->
+<!ENTITY times "×" ><!--/times B: =multiply sign-->
+
+<!ENTITY curren "¤" ><!--=general currency sign-->
+<!ENTITY pound "£" ><!--=pound sign-->
+<!ENTITY dollar "$" ><!--=dollar sign-->
+<!ENTITY cent "¢" ><!--=cent sign-->
+<!ENTITY yen "¥" ><!--/yen =yen sign-->
+
+<!ENTITY num "#" ><!--=number sign-->
+<!ENTITY percnt "%" ><!--=percent sign-->
+<!ENTITY amp "&#38;" ><!--=ampersand-->
+<!ENTITY ast "*" ><!--/ast B: =asterisk-->
+<!ENTITY commat "@" ><!--=commercial at-->
+<!ENTITY lsqb "[" ><!--/lbrack O: =left square bracket-->
+<!ENTITY bsol "\" ><!--/backslash =reverse solidus-->
+<!ENTITY rsqb "]" ><!--/rbrack C: =right square bracket-->
+<!ENTITY lcub "{" ><!--/lbrace O: =left curly bracket-->
+<!ENTITY horbar "―" ><!--=horizontal bar-->
+<!ENTITY verbar "|" ><!--/vert =vertical bar-->
+<!ENTITY rcub "}" ><!--/rbrace C: =right curly bracket-->
+<!ENTITY micro "µ" ><!--=micro sign-->
+<!ENTITY ohm "ࡎ" ><!--=ohm sign-->
+<!ENTITY deg "°" ><!--=degree sign-->
+<!ENTITY ordm "º" ><!--=ordinal indicator, masculine-->
+<!ENTITY ordf "ª" ><!--=ordinal indicator, feminine-->
+<!ENTITY sect "§" ><!--=section sign-->
+<!ENTITY para "¶" ><!--=pilcrow (paragraph sign)-->
+<!ENTITY middot "·" ><!--/centerdot B: =middle dot-->
+<!ENTITY larr "←" ><!--/leftarrow /gets A: =leftward arrow-->
+<!ENTITY rarr "→" ><!--/rightarrow /to A: =rightward arrow-->
+<!ENTITY uarr "↑" ><!--/uparrow A: =upward arrow-->
+<!ENTITY darr "↓" ><!--/downarrow A: =downward arrow-->
+<!ENTITY copy "©" ><!--=copyright sign-->
+<!ENTITY reg "®" ><!--/circledR =registered sign-->
+<!ENTITY trade "™" ><!--=trade mark sign-->
+<!ENTITY brvbar "¦" ><!--=bren (vertical) bar-->
+<!ENTITY not "¬" ><!--/neg /lnot =not sign-->
+<!ENTITY sung "♪" ><!--=music note (sung text sign)-->
+
+<!ENTITY excl "!" ><!--=exclamation mark-->
+<!ENTITY iexcl "¡" ><!--=inverted exclamation mark-->
+<!ENTITY quot '"' ><!--=quotation mark-->
+<!ENTITY apos "'" ><!--=apostrophe-->
+<!ENTITY lpar "(" ><!--O: =left parenthesis-->
+<!ENTITY rpar ")" ><!--C: =right parenthesis-->
+<!ENTITY comma "," ><!--P: =comma-->
+<!ENTITY lowbar "_" ><!--=low line-->
+<!ENTITY hyphen "‐" ><!--=hyphen-->
+<!ENTITY period "." ><!--=full stop, period-->
+<!ENTITY sol "/" ><!--=solidus-->
+<!ENTITY colon ":" ><!--/colon P:-->
+<!ENTITY semi ";" ><!--=semicolon P:-->
+<!ENTITY quest "?" ><!--=question mark-->
+<!ENTITY iquest "¿" ><!--=inverted question mark-->
+<!ENTITY laquo "‹" ><!--=angle quotation mark, left
+ But note that Unicode 1 & Maler & el Andaloussi give « -->
+<!ENTITY raquo "›" ><!--=angle quotation mark, right
+ But note that Unicode 1 & Maler & el Andaloussi give » -->
+<!ENTITY lsquo "‘" ><!--=single quotation mark, left-->
+<!ENTITY rsquo "’" ><!--=single quotation mark, right-->
+<!ENTITY ldquo "“" ><!--=double quotation mark, left-->
+<!ENTITY rdquo "”" ><!--=double quotation mark, right-->
+<!ENTITY nbsp " " ><!--=no break (required) space-->
+<!ENTITY shy "­" ><!--=soft hyphen-->
+
+
--- /dev/null
+<!-- (C) International Organization for Standardization 1986
+ Permission to copy in any form is granted for use with
+ conforming SGML systems and applications as defined in
+ ISO 8879, provided this notice is included in all copies.
+-->
+<!-- Character entity set. Typical invocation:
+ <!ENTITY % ISOpub PUBLIC
+ "ISO 8879:1986//ENTITIES Publishing//EN//XML">
+ %ISOpub;
+-->
+<!-- This version of the entity set can be used with any SGML document
+ which uses ISO 10646 as its document character set.
+ This includes XML documents and ISO HTML documents.
+ This entity set uses hexadecimal numeric character references.
+
+ Creator: Rick Jelliffe, Allette Systems
+
+ Version: 1997-07-07
+-->
+<!ENTITY emsp " " ><!--=em space-->
+<!ENTITY ensp " " ><!--=en space (1/2-em)-->
+<!ENTITY emsp13 " " ><!--=1/3-em space-->
+<!ENTITY emsp14 " " ><!--=1/4-em space-->
+<!ENTITY numsp " " ><!--=digit space (width of a number)-->
+<!ENTITY puncsp " " ><!--=punctuation space (width of comma)-->
+<!ENTITY thinsp " " ><!--=thin space (1/6-em)-->
+<!ENTITY hairsp " " ><!--=hair space-->
+<!ENTITY mdash "—" ><!--=em dash-->
+<!ENTITY ndash "–" ><!--=en dash-->
+<!ENTITY dash "‐" ><!--=hyphen (true graphic)-->
+<!ENTITY blank "␣" ><!--=significant blank symbol-->
+<!ENTITY hellip "…" ><!--=ellipsis (horizontal)-->
+<!ENTITY nldr "‥" ><!--=double baseline dot (en leader)-->
+<!ENTITY frac13 "⅓" ><!--=fraction one-third-->
+<!ENTITY frac23 "⅔" ><!--=fraction two-thirds-->
+<!ENTITY frac15 "⅕" ><!--=fraction one-fifth-->
+<!ENTITY frac25 "⅖" ><!--=fraction two-fifths-->
+<!ENTITY frac35 "⅗" ><!--=fraction three-fifths-->
+<!ENTITY frac45 "⅘" ><!--=fraction four-fifths-->
+<!ENTITY frac16 "⅙" ><!--=fraction one-sixth-->
+<!ENTITY frac56 "⅚" ><!--=fraction five-sixths-->
+<!ENTITY incare "℅" ><!--=in-care-of symbol-->
+<!ENTITY block "█" ><!--=full block-->
+<!ENTITY uhblk "▀" ><!--=upper half block-->
+<!ENTITY lhblk "▄" ><!--=lower half block-->
+<!ENTITY blk14 "░" ><!--=25% shaded block-->
+<!ENTITY blk12 "▒" ><!--=50% shaded block-->
+<!ENTITY blk34 "▓" ><!--=75% shaded block-->
+<!ENTITY marker "▮" ><!--=histogram marker-->
+<!ENTITY cir "○" ><!--/circ B: =circle, open-->
+<!ENTITY squ "□" ><!--=square, open-->
+<!ENTITY rect "▭" ><!--=rectangle, open-->
+<!ENTITY utri "▵" ><!--/triangle =up triangle, open-->
+<!ENTITY dtri "▿" ><!--/triangledown =down triangle, open-->
+<!ENTITY star "☆" ><!--=star, open-->
+<!ENTITY bull "•" ><!--/bullet B: =round bullet, filled-->
+<!ENTITY squf "▪" ><!--/blacksquare =sq bullet, filled-->
+<!ENTITY utrif "▴" ><!--/blacktriangle =up tri, filled-->
+<!ENTITY dtrif "▾" ><!--/blacktriangledown =dn tri, filled-->
+<!ENTITY ltrif "◂" ><!--/blacktriangleleft R: =l tri, filled-->
+<!ENTITY rtrif "▸" ><!--/blacktriangleright R: =r tri, filled-->
+<!ENTITY clubs "♣" ><!--/clubsuit =club suit symbol-->
+<!ENTITY diams "♢" ><!--/diamondsuit =diamond suit symbol-->
+<!ENTITY hearts "♡" ><!--/heartsuit =heart suit symbol-->
+<!ENTITY spades "♠" ><!--/spadesuit =spades suit symbol-->
+<!ENTITY malt "✠" ><!--/maltese =maltese cross-->
+<!ENTITY dagger "†" ><!--/dagger B: =dagger-->
+<!ENTITY Dagger "‡" ><!--/ddagger B: =double dagger-->
+<!ENTITY check "✓" ><!--/checkmark =tick, check mark-->
+<!ENTITY cross "✗" ><!--=ballot cross-->
+<!ENTITY sharp "♯" ><!--/sharp =musical sharp-->
+<!ENTITY flat "♭" ><!--/flat =musical flat-->
+<!ENTITY male "♂" ><!--=male symbol-->
+<!ENTITY female "♀" ><!--=female symbol-->
+<!ENTITY phone "⛠" ><!--=telephone symbol-->
+<!ENTITY telrec "⌕" ><!--=telephone recorder symbol-->
+<!ENTITY copysr "℗" ><!--=sound recording copyright sign-->
+<!ENTITY caret "⁁" ><!--=caret (insertion mark)-->
+<!ENTITY lsquor "‚" ><!--=rising single quote, left (low)-->
+<!ENTITY ldquor "„" ><!--=rising dbl quote, left (low)-->
+
+<!ENTITY fflig "ff" ><!--small ff ligature-->
+<!ENTITY filig "fi" ><!--small fi ligature-->
+<!ENTITY fjlig "fj" ><!--small fj ligature-->
+<!ENTITY ffilig "ffi" ><!--small ffi ligature-->
+<!ENTITY ffllig "ffl" ><!--small ffl ligature-->
+<!ENTITY fllig "fl" ><!--small fl ligature-->
+
+<!ENTITY mldr "‥" ><!--em leader-->
+<!ENTITY rdquor "”" ><!--rising dbl quote, right (high)-->
+<!ENTITY rsquor "’" ><!--rising single quote, right (high)-->
+<!ENTITY vellip "⋮" ><!--vertical ellipsis-->
+
+<!ENTITY hybull "⁃" ><!--rectangle, filled (hyphen bullet)-->
+<!ENTITY loz "✧" ><!--/lozenge - lozenge or total mark-->
+<!ENTITY lozf "✦" ><!--/blacklozenge - lozenge, filled-->
+<!ENTITY ltri "◃" ><!--/triangleleft B: l triangle, open-->
+<!ENTITY rtri "▹" ><!--/triangleright B: r triangle, open-->
+<!ENTITY starf "★" ><!--/bigstar - star, filled-->
+
+<!ENTITY natur "♮" ><!--/natural - music natural-->
+<!ENTITY rx "℞" ><!--pharmaceutical prescription (Rx)-->
+<!ENTITY sext "✶" ><!--sextile (6-pointed star)-->
+
+<!ENTITY target "⌖" ><!--register mark or target-->
+<!ENTITY dlcrop "⌍" ><!--downward left crop mark -->
+<!ENTITY drcrop "⌌" ><!--downward right crop mark -->
+<!ENTITY ulcrop "⌏" ><!--upward left crop mark -->
+<!ENTITY urcrop "⌎" ><!--upward right crop mark -->
+
--- /dev/null
+
+<!-- (C) International Organization for Standardization 1986
+ Permission to copy in any form is granted for use with
+ conforming SGML systems and applications as defined in
+ ISO 8879, provided this notice is included in all copies.
+-->
+<!-- Character entity set. Typical invocation:
+ <!ENTITY % ISOtech PUBLIC
+ "ISO 8879:1986//ENTITIES General Technical//EN//XML"
+ "ISOtech.pen">
+ %ISOtech;
+-->
+<!-- This version of the entity set can be used with any SGML document
+ which uses ISO 10646 as its document character set.
+ This includes XML documents and ISO HTML documents.
+ This entity set uses hexadecimal numeric character references.
+
+ Creator: Rick Jelliffe, Allette Systems
+
+ Version: 1997-07-07
+-->
+<!ENTITY aleph "ℵ" ><!--/aleph =aleph, Hebrew-->
+<!ENTITY and "∧" ><!--/wedge /land B: =logical and-->
+<!ENTITY ang90 "∟" ><!--=right (90 degree) angle-->
+<!ENTITY angsph "∢" ><!--/sphericalangle =angle-spherical-->
+<!ENTITY ap "≉" ><!--/approx R: =approximate-->
+<!ENTITY becaus "∵" ><!--/because R: =because-->
+<!ENTITY bottom "⊥" ><!--/bot B: =perpendicular-->
+<!ENTITY cap "∩" ><!--/cap B: =intersection-->
+<!ENTITY cong "≅" ><!--/cong R: =congruent with-->
+<!ENTITY conint "∮" ><!--/oint L: =contour integral operator-->
+<!ENTITY cup "∪" ><!--/cup B: =union or logical sum-->
+<!ENTITY equiv "≡" ><!--/equiv R: =identical with-->
+<!ENTITY exist "∃" ><!--/exists =at least one exists-->
+<!ENTITY forall "∀" ><!--/forall =for all-->
+<!ENTITY fnof "ƒ" ><!--=function of (italic small f)-->
+<!ENTITY ge "≥" ><!--/geq /ge R: =greater-than-or-equal-->
+<!ENTITY iff "⇔" ><!--/iff =if and only if-->
+<!ENTITY infin "∞" ><!--/infty =infinity-->
+<!ENTITY int "∫" ><!--/int L: =integral operator-->
+<!ENTITY isin "∈" ><!--/in R: =set membership-->
+<!ENTITY lang "〈" ><!--/langle O: =left angle bracket-->
+<!ENTITY lArr "⇐" ><!--/Leftarrow A: =is implied by-->
+<!ENTITY le "≤" ><!--/leq /le R: =less-than-or-equal-->
+<!ENTITY minus "-" ><!--B: =minus sign-->
+<!ENTITY mnplus "∓" ><!--/mp B: =minus-or-plus sign-->
+<!ENTITY nabla "∇" ><!--/nabla =del, Hamilton operator-->
+<!ENTITY ne "≠" ><!--/ne /neq R: =not equal-->
+<!ENTITY ni "∋" ><!--/ni /owns R: =contains-->
+<!ENTITY or "∨" ><!--/vee /lor B: =logical or-->
+<!ENTITY par "∥" ><!--/parallel R: =parallel-->
+<!ENTITY part "∂" ><!--/partial =partial differential-->
+<!ENTITY permil "‰" ><!--=per thousand-->
+<!ENTITY perp "⊥" ><!--/perp R: =perpendicular-->
+<!ENTITY prime "′" ><!--/prime =prime or minute-->
+<!ENTITY Prime "″" ><!--=double prime or second-->
+<!ENTITY prop "∝" ><!--/propto R: =is proportional to-->
+<!ENTITY radic "√" ><!--/surd =radical-->
+<!ENTITY rang "〉" ><!--/rangle C: =right angle bracket-->
+<!ENTITY rArr "⇒" ><!--/Rightarrow A: =implies-->
+<!ENTITY sim "∼" ><!--/sim R: =similar-->
+<!ENTITY sime "≃" ><!--/simeq R: =similar, equals-->
+<!ENTITY square "□" ><!--/square B: =square-->
+<!ENTITY sub "⊂" ><!--/subset R: =subset or is implied by-->
+<!ENTITY sube "⊆" ><!--/subseteq R: =subset, equals-->
+<!ENTITY sup "⊃" ><!--/supset R: =superset or implies-->
+<!ENTITY supe "⊇" ><!--/supseteq R: =superset, equals-->
+<!ENTITY there4 "∴" ><!--/therefore R: =therefore-->
+<!ENTITY Verbar "‖" ><!--/Vert =dbl vertical bar-->
+
+<!ENTITY angst "Å" ><!--Angstrom =capital A, ring-->
+<!ENTITY bernou "ℬ" ><!--Bernoulli function (script capital B)-->
+<!ENTITY compfn "∘" ><!--B: composite function (small circle)-->
+<!ENTITY Dot "¨" ><!--=dieresis or umlaut mark-->
+<!ENTITY DotDot "⃜" ><!--four dots above-->
+<!ENTITY hamilt "ℋ" ><!--Hamiltonian (script capital H)-->
+<!ENTITY lagran "ℒ" ><!--Lagrangian (script capital L)-->
+<!ENTITY lowast "∗" ><!--low asterisk-->
+<!ENTITY notin "∉" ><!--N: negated set membership-->
+<!ENTITY order "ℴ" ><!--order of (script small o)-->
+<!ENTITY phmmat "ℳ" ><!--physics M-matrix (script capital M)-->
+<!ENTITY tdot "⃛" ><!--three dots above-->
+<!ENTITY tprime "‴" ><!--triple prime-->
+<!ENTITY wedgeq "≙" ><!--R: corresponds to (wedge, equals)-->
+